Characteristics of Eukaryotes and Protists
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Questions and Answers

Which method of reproduction is used by Euglena species?

  • Sexual reproduction
  • Longitudinal binary fission (correct)
  • Irregular binary fission
  • Transversal binary fission

    • What foundational ecological role do protists play?

  • Decomposers in the ecosystem
  • Tertiary consumers in the food chain
  • Secondary consumers in the food chain
  • Primary producers in the food chain (correct)

    • Which classification groups protozoans based on their movement?

  • The way they move (correct)
  • Their nutritional habits
  • Their mode of reproduction
  • Their cellular structure

    • What is a major ecological contribution of phytoplankton?

    <p>They are the primary food source for whales. (D)</p> Signup and view all the answers

    Which Protist is known to be a pathogenic parasite?

    <p>Trypanosoma (C)</p> Signup and view all the answers

    How do some protists benefit their symbiotic partners?

    <p>By photosynthesizing and producing oxygen (B)</p> Signup and view all the answers

    What is the significance of protists forming cysts?

    <p>To survive in harsh conditions (B)</p> Signup and view all the answers

    What phylum do Euglena and Trypanosoma belong to?

    <p>Sarcomastigophora (A)</p> Signup and view all the answers

    Which phylum does Paramecium belong to?

    <p>Ciliophora (B)</p> Signup and view all the answers

    What is the role of the macronucleus in Paramecium?

    <p>Binary fission (B)</p> Signup and view all the answers

    What is the infective stage of Entamoeba histolytica?

    <p>Mature multinucleated cyst (D)</p> Signup and view all the answers

    Which structure is used by Paramecium for locomotion?

    <p>Cilia (C)</p> Signup and view all the answers

    What environment do most amoebas inhabit?

    <p>Freshwater (A)</p> Signup and view all the answers

    Which organism causes amoeboid dysentery in humans?

    <p>Entamoeba histolytica (C)</p> Signup and view all the answers

    How do most ciliates, including Paramecium, feed?

    <p>Phagocytosis (B)</p> Signup and view all the answers

    What type of reproduction involves the binary fission of the macronucleus in Paramecium?

    <p>Asexual reproduction (C)</p> Signup and view all the answers

    Which of the following is a characteristic feature of amoeboid protozoans?

    <p>They possess pseudopodia. (B)</p> Signup and view all the answers

    In which environment would you most likely find ciliated protozoans?

    <p>Aquatic environments (B)</p> Signup and view all the answers

    Which type of protozoan is associated with a flagella?

    <p>Flagellated protozoans (B)</p> Signup and view all the answers

    What type of environment is most suitable for the survival of protists?

    <p>Aquatic environments (A)</p> Signup and view all the answers

    Which reproductive method is common to almost all protists?

    <p>Mitosis (B)</p> Signup and view all the answers

    Which group of protozoans is known for having a spore-like stage in their life cycle?

    <p>Sporozoans (A)</p> Signup and view all the answers

    How do flagellated protozoans differ from amoeboid protozoans in terms of movement?

    <p>Flagellated protozoans use flagella for locomotion, while amoeboid protozoans use pseudopodia. (C)</p> Signup and view all the answers

    What distinguishes photoautotrophic protists from heterotrophic protists?

    <p>Capability to produce their own food via photosynthesis (C)</p> Signup and view all the answers

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